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Finding the Third Proportional to 271,849.50 and 639,609.75

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Solution

The third proportional to 271,849.50 and 639,609.75 is: 1,504,879.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,849.50 : 639,609.75 = 639,609.75 : x
  2. Step 2: Convert to fraction form
    271,849.50/639,609.75 = 639,609.75/x
  3. Step 3: Cross multiply
    271,849.50x = 639,609.75 × 639,609.75
  4. Step 4: Simplify right side
    271,849.50x = 409,100,632,295.06
  5. Step 5: Solve for x
    x = 409,100,632,295.06/271,849.50
  6. Step 6: Final answer
    x = 1,504,879.11

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Why These Related Problems?

These problems maintain the same ratio (2.35) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.